Ceramics-Silikáty 37, (1) 21 - 27 (1993) |
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ASSESSMENT OF THE CHEMICAL AND MINERALOGICAL COMPOSITION OF AIR-COOLED BLAST-FURNACE SLAG FOR ITS USE AS CONCRETE AGGREGATE
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Madej Ján 1, Števula Ladislav 2, Madejová Jana 2
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1 Research Institute of Civil Engineering, Lamačská cesta 8, 817 14 Bratislava
2 Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dúbravská cesta 5, 842 36 Bratislava
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Samples of blast-furnace slag from VSŽ (East-Slovak Metallurgical Works) Košice, of various ages and granulometry were studied with respect to their chemical and mineralogical composition. Their tendency to ferrous and γ-dicalcium silicate disintegration was assessed, as well as their hydraulic activity under normal and hydrothermal conditions. Within the time intervals followed, the experiments showed the slags to be uniform in their properties and suitable for their application as aggregate for concrete. |
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